Operation support device, operation support method, and program

Abstract

To appropriately support an operation of a plant.SOLUTION: An operation support device 10 is a plant operation support device that operates when a plurality of control parameters are automatically set, and can also operate when the control parameters are manually set by an operator. The operation support device 10 includes: a manual setting timing acquiring unit 30 for acquiring information on manual setting timing, that is a timing at which manual setting was performed in a predetermined period in the past, for each control parameter; a manual control time calculating unit 32 for calculating, for each control parameter, a manual control time, that is a time required for manual setting in a predetermined period, based on the manual setting timing; and a manual control information generating unit 34 for generating manual control information indicating the manual control time.SELECTED DRAWING: Figure 3

Description

[Technical field]

[0001] The present invention relates to an operation support device, an operation support method, and a program. [Background technology]

[0002] In order to maintain the safe and stable operation of a plant, it is necessary to operate each piece of equipment in the plant appropriately. For example, Patent Document 1 describes a method of increasing the repair priority of highly deteriorated equipment constituting the plant and presenting a maintenance plan that minimizes the life cycle costs for future equipment updates and repairs.

[0003] In recent years, automatic control circuits have been incorporated into many of the equipment that make up the facilities, and automation has progressed to the point where fully automated plants have appeared. Even in such automated plants, for example, when the control of equipment by the automatic control circuits becomes inappropriate, workers may manually control the equipment (i.e., manual intervention). [Prior art documents] [Patent documents]

[0004] [Patent Document 1] JP 2003-67042 A Summary of the Invention [Problem to be solved by the invention]

[0005] In such an automated plant that also allows manual intervention, there is a demand for appropriate support for plant operation.

[0006] The present invention has been made in view of the above, and an object of the present invention is to provide an analysis device, an analysis method, and a program that can appropriately support plant operation. [Means for solving the problem]

[0007] In order to solve the above-mentioned problems and achieve the objective, the operation support device disclosed herein is a plant operation support device that operates by automatically setting a plurality of control parameters and can also operate by manually setting the control parameters by an operator, and includes a manual setting timing acquisition unit that acquires, for each control parameter, information on manual setting timing, which is the timing at which the manual setting was performed during a specified period of the past, a manual control time calculation unit that calculates, for each control parameter, a manual control time, which is the time required for the manual setting during the specified period based on the manual setting timing, and a manual control information generation unit that generates manual control information indicating the manual control time.

[0008] In order to solve the above-mentioned problems and achieve the objectives, the operational support method disclosed herein is an operational support method for a plant that operates by automatically setting a plurality of control parameters and can also operate by manually setting the control parameters by an operator, and includes the steps of: acquiring, for each control parameter, information on manual setting timing, which is the timing at which the manual setting was performed during a predetermined period of the past; calculating, for each control parameter, a manual control time, which is the time required for the manual setting during the predetermined period based on the manual setting timing; and generating manual control information indicating the manual control time.

[0009] In order to solve the above-mentioned problems and achieve the objective, the program disclosed herein is a program that causes a computer to execute a plant operation support method that operates by automatically setting a plurality of control parameters and can also operate by manually setting the control parameters by an operator, and causes the computer to execute the following steps: acquiring, for each control parameter, information on manual setting timing, which is the timing at which the manual setting was performed during a predetermined period of the past; calculating, for each control parameter, a manual control time, which is the time required for the manual setting during the predetermined period based on the manual setting timing; and generating manual control information indicating the manual control time. Effect of the Invention

[0010] According to the present invention, it is possible to appropriately support the operation of a plant. [Brief description of the drawings]

[0011] [Figure 1] FIG. 1 is a schematic block diagram of a plant according to this embodiment. [Diagram 2] FIG. 2 is a chart showing an example of information regarding manual control. [Diagram 3] FIG. 3 is a schematic block diagram of the operation support device according to the present embodiment. [Figure 4] FIG. 4 is a diagram illustrating an example for explaining the manual control time. [Diagram 5] FIG. 5 is a schematic diagram illustrating an example of the manual control information. [Figure 6] FIG. 6 is a schematic diagram showing another example of the manual control information. [Figure 7] FIG. 7 is a schematic diagram showing another example of the manual control information. [Figure 8] FIG. 8 is a flowchart illustrating the process flow of the operation support device. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0012] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings. However, the present invention is not limited to the embodiments described below.

[0013] (plant) FIG. 1 is a schematic block diagram of a plant according to this embodiment. An operation support device 10 according to this embodiment supports the operation of a plant 100. The plant 100 is a fully automated plant that operates automatically, and also operates through manual control (manual intervention) by an operator. Specifically, as shown in FIG. 1, the plant 100 includes equipment 102, an automatic control circuit 104, a manual control receiving unit 106, and a manual control information acquiring unit 108. Note that the plant 100 is, for example, a sludge incineration facility, but is not limited thereto and may be any facility.

[0014] The equipment 102 refers to equipment installed in the plant 100, and for example, in the case where the plant 100 is a sludge incineration facility, it refers to an incinerator or the like. The plant 100 is provided with a plurality of equipment 102, but the number and types of equipment 102 installed in the plant 100 are arbitrary and are appropriately determined depending on the type of the plant 100.

[0015] The automatic control circuit 104 is a control circuit that automatically controls the equipment 102. The automatic control circuit 104 controls the equipment of the plant 100 so that the control parameter P of the equipment 102 becomes a set target value. The control parameter P refers to a parameter to be controlled. For example, if the equipment 102 is an incinerator, the control parameter P refers to the outlet temperature of the incinerator, the amount of sludge put into the incinerator, the amount of fuel, the amount of air, etc. The number (types) of control parameters P for one equipment 102 may be one or more. In other words, the types and number of the control parameters P are arbitrary and are appropriately determined according to the type of the plant 100.

[0016] During automatic control, the automatic control circuit 104 also automatically sets a target value for the control parameter P, and controls the device 102 so that the control parameter P reaches the automatically set target value.

[0017] 1, one automatic control circuit 104 is configured to control a plurality of devices 102, but the present invention is not limited to this, and an automatic control circuit 104 may be provided for each device 102. The automatic control circuit 104 may also have any configuration.

[0018] The manual control accepting unit 106 is an input device (user interface) that accepts operations by an operator. When performing manual control, the operator manually inputs (manually sets) a target value of the control parameter P to the manual control accepting unit 106. As a result, the plant 100 switches from automatic control to manual control, and the automatic control circuit 104 controls the device 102 so that the control parameter P reaches the target value input to the manual control accepting unit 106.

[0019] FIG. 2 is a chart showing an example of information related to manual control. The manual control information acquisition unit 108 is a data logger (computer) that acquires and records information related to manual control. When a target value of the control parameter P set by an operator is input to the manual control reception unit 106, the manual control information acquisition unit 108 detects information related to manual control and records it in a storage unit. The manual control information acquisition unit 108 acquires, as information related to manual control, information on the manually set control parameter P (information indicating the control parameter P whose target value was manually set) and a manual setting timing which is the timing at which the control parameter P was manually set. The information related to manual control may also include information indicating the target value of the manually set control parameter P. The manual control information acquisition unit 108 acquires information related to manual control every time a target value of the control parameter P is set by an operator. 2 shows that the manual control information acquisition unit 108 has acquired, as information related to manual control, the following information: the target value of the control parameter PB was manually set to X1 at 22:01:05 (manual setting timing) on ​​October 1, 2020; the target value of the control parameter PA was manually set to Y1 at 22:05:00; the target value of the control parameter PA was manually set to Y2 at 22:08:00; the target value of the control parameter PA was manually set to Y3 at 22:15:00; and the target value of the control parameter PB was manually set to X2 at 22:16:00. However, the description in FIG. 3 is an example.

[0020] The manual control information acquisition unit 108 is separate hardware from the operation support device 10 described below, but is not limited to this. The operation support device 10 may have the functions of the manual control information acquisition unit 108.

[0021] (Operation support equipment) 3 is a schematic block diagram of an operation support device according to the present embodiment. The operation support device 10 can be said to be a computer, and includes an input unit 20, an output unit 22, a communication unit 24, a storage unit 26, and a control unit 28, as shown in FIG.

[0022] The input unit 20 is a mechanism (user interface) that accepts operations by a user, and may be, for example, a mouse, a keyboard, etc. The output unit 22 is a device that outputs information, and may be, for example, a display that displays images.

[0023] The communication unit 24 is a communication module that communicates with an external device, such as an antenna, etc. The operational support device 10 communicates with an external device by wireless communication, but may also use wired communication, and any communication method may be used.

[0024] The storage unit 26 is a memory that stores various information such as the contents of calculations and programs of the control unit 28, and includes at least one of a main storage device such as a RAM (Random Access Memory), a ROM (Read Only Memory), and an external storage device such as a HDD (Hard Disk Drive). The program for the control unit 28 stored in the storage unit 26 may be stored in a recording medium that the operation support device 10 can read.

[0025] The control unit 28 is a calculation device and includes a calculation circuit such as a CPU (Central Processing Unit). The control unit 28 includes a manual setting timing acquisition unit 30, a manual control time calculation unit 32, and a manual control information generation unit 34. The control unit 28 realizes the manual setting timing acquisition unit 30, the manual control time calculation unit 32, and the manual control information generation unit 34 by reading and executing a program (software) from the storage unit 26, and executes the program. The control unit 28 may execute these processes using one CPU, or may include multiple CPUs and execute the processes using the multiple CPUs. At least a part of the processes performed by the manual setting timing acquisition unit 30, the manual control time calculation unit 32, and the manual control information generation unit 34 may be realized by a hardware circuit.

[0026] (Manual setting timing acquisition section) The manual setting timing acquisition unit 30 acquires information on the manual setting timing in a predetermined period in the past for each control parameter P for the plant 100. That is, the manual setting timing acquisition unit 30 acquires information indicating the timing at which each control parameter P was manually set within a predetermined period in the past. In this embodiment, the manual setting timing acquisition unit 30 acquires information on the manual setting timing from the manual control information acquisition unit 108 via the communication unit 24. In the example of FIG. 2, the manual setting timing acquisition unit 30 acquires information on the manual setting timing for the control parameter PA, which indicates that the manual setting timing of the manual control parameter PA is 22:05:00, 22:08:00, and 22:08:00 on October 1, 2020, and information on the manual setting timing of the manual control parameter PB is 22:01:05, and 22:16:00 on October 1, 2020, as information on the manual setting timing for the control parameter PA. Note that the predetermined period in the past may be set arbitrarily.

[0027] (Manual control time calculation section) FIG. 4 is a diagram illustrating an example for explaining the manual control time. The manual control time calculation unit 32 calculates the manual control time, which is the time required for manual control in a predetermined period, for each control parameter P based on the manual setting timing. In this embodiment, the manual control time calculation unit 32 calculates the manual control time based on the operation constraint time L, which is the time during which the same control parameter P is continuously manually set. The operation constraint time L can also be said to be the time during which the operator is constrained to manually control the control parameter P. Hereinafter, the operation constraint time L will be specifically described with reference to FIG. 4. FIG. 4 illustrates an example in which the control parameter PB is manually set at the manual setting timing t1, the control parameter PA is manually set at the manual setting timings t2, t3, t4, t5, and t6, the control parameter PB is manually set at the manual setting timings t7, t8, and t9, and the control parameter PA is manually set at the manual setting timing t10. Between manual setting timings adjacent to each other in the chronological order (between t1 and t2, between t2 and t3, ..., and between t9 and t10), no manual setting of the control parameter P is performed. In other words, for example, the manual setting timing t2 can be said to be the timing at which the control parameter is manually set immediately after the manual setting timing t1.

[0028] In the example of FIG. 4, the control parameter PA is manually set continuously from the manual setting timing t2 to the manual setting timing t6. That is, the manual setting timing t2 is the timing when a series of manual settings of the control parameter PA is started (or resumed), in other words, the manual setting timing t2 is the timing when the control parameter PA is manually set, and the control parameter manually set at the manual setting timing t1 immediately before is a control parameter (here, the control parameter PB) different from the control parameter PA. The manual control time calculation unit 32 sets the manual setting timing t2 when the manual setting of the control parameter PA is started (or resumed) as the start timing of the operation constraint time L for the control parameter PA. Note that even if there is no manual setting timing immediately before the manual setting timing t2 (i.e., when the control parameter PA is manually set for the first time in a predetermined period), the manual setting timing t2 may be treated as the start timing of the operation constraint time L.

[0029] In the example of FIG. 4, the manual setting timing t6 is the last manual setting timing of the series of manual setting timings of the control parameter PA. In other words, the manual setting timing t6 is the timing at which the control parameter PA is manually set consecutively from the manual setting timing t2 (i.e., no control parameters other than the control parameter PA are manually set between the manual setting timing t2 and the manual setting timing t6), and the control parameter manually set at the manual setting timing t7 immediately thereafter is a control parameter other than the control parameter PA (here, the control parameter PB). In this way, the manual control time calculation unit 32 sets the last manual setting timing t6 of the consecutive manual setting timings as the end timing of the operation constraint time L for the control parameter PA. Note that even if there is no manual setting timing immediately after the manual setting timing t6 (i.e., the control parameter is manually set for the last time in a predetermined period), the manual setting timing t6 may be treated as the last manual setting timing of the operation constraint time L.

[0030] 4, the manual control time calculation unit 32 calculates the time from the manual setting timing t2 when the continuous setting of the control parameter PA is started to the final manual setting timing t6 of the continuous setting of the control parameter PA as the operation constraint time L for the control parameter PA. Similarly, in the example of Fig. 4, the control parameter PB is manually set continuously from the manual setting timing t7 to the manual setting timing t9, so the manual control time calculation unit 32 calculates the time from the manual setting timing t7 to the manual setting timing t9 as the operation constraint time L for the control parameter PB.

[0031] In addition, since there are cases where, after manual setting of the control parameter PA is completed, another control parameter PB is manually set, and then manual setting of the control parameter PA is performed again, there are cases where the operation constraint time L for the same control parameter PA exists multiple times in different time periods. Therefore, the manual control time calculation unit 32 calculates the operation constraint time L for each control parameter P over the entire predetermined period, and calculates the total value of the operation constraint time L for the control parameter PA within the predetermined period as the manual control time for that control parameter PA.

[0032] (Manual control information generation unit) The manual control information generating unit 34 generates manual control information indicating a manual control time. The manual control information generating unit 34 generates information indicating a manual control time for each control parameter P at a predetermined time as manual control information. The manual control information generating unit 34 outputs the generated manual control information. The manual control information generating unit 34 may output the manual control information to the output unit 22, or may output (transmit) the manual control information to another device. By generating manual control information indicating the manual control time in this manner, the manual control time for each control parameter P can be compared to appropriately support the operation of the plant 100.

[0033] FIG. 5 is a schematic diagram showing an example of the manual control information. In this embodiment, the manual control information generating unit 34 generates image data indicating the manual control time for each control parameter P as the manual control information. In the example of FIG. 5, the manual control information generating unit 34 generates image data displaying the manual control time for each control parameter P in a predetermined period as a bar graph as the manual control information. In this case, the manual control information generating unit 34 may display the image data generated as the manual control information on the output unit 22. When the manual control information is image data, it is preferable that the manual control information generating unit 34 generates the manual control information so that the manual control time for each control parameter P can be displayed on one screen. By displaying the manual control time for each control parameter P on one screen, it becomes easy to compare the manual control time for each control parameter P, and the operation of the plant 100 can be more appropriately supported. Note that the manual control information is not limited to image data as shown in FIG. 5, and may be any information indicating the manual control time for each control parameter P.

[0034] FIG. 6 is a schematic diagram showing another example of the manual control information. As shown in FIG. 6, the manual control information generating unit 34 may generate information indicating the manual control time for each operator and each control parameter P as the manual control information. In this case, the manual setting timing acquiring unit 30 also acquires information on the operator who performed the manual setting, and the manual control time calculating unit 32 calculates the manual control time for each operator and each control parameter P. That is, the manual control time calculating unit 32 classifies the manual control time for each control parameter P for each operator who performed the manual setting of the control parameter P, and calculates the manual control time for each control parameter P for each operator. Then, the manual control information generating unit 34 generates, for example, image data indicating the manual control time for each control parameter P for each operator as the manual control information. By indicating the manual control time for each operator in this way, for example, the proficiency level of the operator can be grasped, and the operation of the plant 100 can be more appropriately supported.

[0035] FIG. 7 is a schematic diagram showing another example of the manual control information. As shown in FIG. 7, the manual control information generating unit 34 may generate information indicating the relationship between the manually set target value and the operation constraint time L as the manual control information. That is, in this case, the manual setting timing acquiring unit 30 also acquires information on the target value of the manually set control parameter P. For each operation constraint time L, the manual control information generating unit 34 acquires information on the target value set at the last manual setting timing (manual setting timing t6 in the example of FIG. 4) among the successive manual setting timings. Then, as shown in FIG. 7, the manual control information generating unit 34 generates image data indicating the operation constraint time L for each target value at the last manual setting timing (target values ​​S1, S2, S3, S4 in the example of FIG. 7) as the manual control information. That is, for example, the operation constraint time L for the target value S1 can be said to be the time required for the control parameter P to reach the target value S1. In this way, by classifying the operation constraint time L for each target value at the last manual setting timing, it is possible to confirm what target value results in a longer operation constraint time L, thereby more appropriately supporting the operation of the plant 100. In this case, when there are multiple operation constraint times L with the same target value at the last manual setting timing, the manual control information generator 34 may sum up these operation constraint times L to determine the operation constraint time L for that target value.

[0036] (Processing flow) The processing flow of the operation support device 10 described above will be described. Fig. 8 is a flowchart illustrating the processing flow of the operation support device. As shown in Fig. 8, the operation support device 10 acquires information on the manual setting timing in a predetermined period in the past for each control parameter P by the manual setting timing acquisition unit 30 (step S10), calculates the manual control time for each control parameter P based on the manual setting timing by the manual control time calculation unit 32 (step S12), and generates manual control information indicating the manual control time based on the manual control time by the manual control information generation unit 34 (step S14).

[0037] (effect) As described above, the operation support device 10 according to this embodiment is a device that supports the operation of the plant 100 that can operate by automatically setting a plurality of control parameters P and can also operate by manually setting the control parameters P by an operator, and includes a manual setting timing acquisition unit 30, a manual control time calculation unit 32, and a manual control information generation unit 34. The manual setting timing acquisition unit 30 acquires information on the manual setting timing, which is the timing at which manual setting was performed during a predetermined period in the past, for each control parameter P. The manual control time calculation unit 32 calculates the manual control time, which is the time required for manual setting during a predetermined period, for each control parameter P based on the manual setting timing. The manual control information generation unit 34 generates manual control information indicating the manual control time.

[0038] Here, in the plant 100 that is automatically controlled but also accepts manual intervention, when the automatically set control parameter P becomes inappropriate (i.e., when the automatically set control parameter P does not match the target value), manual intervention is required to manually set the control parameter P in order to operate the plant 100 appropriately. Although manual intervention does not hinder the continued operation of the plant 100, the manual setting that would have been unnecessary if the automatic control could have been continued is performed, so the workload of the workers increases, and the cost also increases accordingly. Therefore, in order to operate such a plant 100 appropriately, it is required to reduce the degree of manual intervention while operating the plant 100 appropriately. In response to this, the operation support device 10 according to the present embodiment calculates the manual control time required for manual setting (manual intervention) in the past, and generates manual control information indicating the manual control time. Therefore, by referring to the manual control information when operating the plant 100 in the future, for example, it is possible to consider an operation policy for reducing the degree of manual intervention while operating the plant 100 appropriately, and therefore it is possible to appropriately support the operation of the plant 100, taking into consideration the aspect of interruption of automatic operation due to manual operation intervention. That is, for example, by referring to the manual control time for each control parameter P, it is possible to select the devices and control parameters P for which manual setting is to be prioritized (i.e., prioritizing manual intervention), thereby enabling appropriate operation of the plant 100. Also, in this embodiment, the manual control time in a predetermined time period is shown, so that it is possible to analyze by dividing the time into, for example, 8:00 to 18:00 (day shift) and 18:00 to 8:00 (night shift), and use this information to consider how to compensate for labor shortages by deploying experienced personnel during the day and automating or reducing the number of personnel at night.

[0039] Further, the manual control time calculation unit 32 calculates the manual control time of the first control parameter (control parameter PA in the example of FIG. 4) based on the operation constraint time L, which is the time between the first timing (manual setting timing t2 in the example of FIG. 4) and the second timing (manual setting timing t6 in the example of FIG. 4). The first timing is the timing when the first control parameter (control parameter PA in the example of FIG. 4) is manually set, and the control parameter P manually set immediately before that becomes a control parameter other than the first control parameter (control parameter PB in the example of FIG. 4). The second timing is the timing when the first control parameter is manually set consecutively from the first timing, and the control parameter P manually set immediately after that becomes a control parameter P other than the first control parameter (control parameter PB in the example of FIG. 4). The burden on the worker due to manual intervention is influenced by, for example, the number of times manual setting is performed, but the present inventor has found, as a result of extensive research, that the operation constraint time L has a large effect on the burden on the worker. Therefore, by calculating the manual control time based on the operation constraint time L, it is possible to visualize the burden on workers due to manual intervention, and the operation of the plant 100 can be appropriately supported.

[0040] Furthermore, when there are multiple operation constraint times L within a predetermined period, the manual control time calculation unit 32 calculates the total value of the operation constraint times L as the manual control time. By taking the total value of the operation constraint times L as the manual control time, the operation support device 10 can more appropriately visualize the load on the worker due to manual intervention for each control parameter P, and appropriately support the operation of the plant 100.

[0041] Furthermore, the manual setting timing acquisition unit 30 also acquires information on the worker who performed the manual setting, and the manual control time calculation unit 32 calculates the manual control time for each worker and control parameter P. By calculating the manual control time for each worker, for example, the proficiency level of the worker can be extracted, thereby appropriately supporting the operation of the plant 100.

[0042] Furthermore, the manual control information generating unit 34 generates, as manual control information, image data indicating the manual control time for each control parameter P. By generating image data indicating the manual control time, it becomes possible to consider the operation of the plant 100 while referring to the image, and therefore it is possible to appropriately support the operation of the plant 100.

[0043] Moreover, manual setting is a control for setting a target value of the control parameter P. That is, a so-called SV (Set Variable) value is manually set. The operation support device 10 can appropriately support the operation of the plant 100 by indicating the manual control time for the plant 100 in which the SV value is manually set in this manner.

[0044] Although the embodiments of the present invention have been described above, the embodiments are not limited to the contents of these embodiments. The above-described components include those that a person skilled in the art can easily imagine, those that are substantially the same, and those that are within the so-called equivalent range. Furthermore, the above-described components can be appropriately combined. Furthermore, various omissions, substitutions, or modifications of the components can be made without departing from the gist of the above-described embodiments. [Explanation of symbols]

[0045] 10 Operation support equipment 30 Manual setting timing acquisition section 32 Manual control time calculation section 34 Manual control information generation unit 100 Plants 102 Equipment P Control parameters

Claims

1. 1. A plant operation support device that automatically sets target values ​​of a plurality of control parameters of a plurality of devices, automatically controls the devices so that the control parameters of the devices become the automatically set target values, and allows an operator to manually change the set target values, a manual setting timing acquisition unit that acquires information on a manual setting timing, which is a timing at which the manual setting was performed during a predetermined period in the past, for each of the control parameters related to a manually set target value; a manual control time calculation unit that calculates a manual control time, which is a time required for the manual setting within the predetermined period, for each of the control parameters related to a manually set target value based on the manual setting timing; a manual control information generating unit that generates manual control information indicating the manual control time for each of the control parameters related to a manually set target value; 4. An operational support device comprising:

2. 2. The operational support device of claim 1, wherein the manual control time calculation unit calculates the manual control time of the first control parameter based on an operation constraint time, which is the time between a first timing at which a first control parameter is manually set and the control parameter manually set immediately before that is a control parameter other than the first control parameter, and a second timing at which the first control parameter is manually set consecutively from the first timing and the control parameter manually set immediately after that is a control parameter other than the first control parameter.

3. The operation support device according to claim 2 , wherein when a plurality of operation constraint times exist within the predetermined period, the manual control time calculation unit calculates a total value of the operation constraint times as the manual control time.

4. The manual setting timing acquisition unit also acquires information about the worker who performed the manual setting, The operation support device according to claim 1 , wherein the manual control time calculation unit calculates the manual control time for each of the workers and the control parameters.

5. The operation support device according to claim 1 , wherein the manual control information generating unit generates, as the manual control information, image data indicating the manual control time for each of the control parameters.

6. The operation support device according to claim 1 , wherein the manual setting is a control for setting a target value of the control parameter.

7. A program for causing a computer to execute a plant operation support method in which target values ​​of a plurality of control parameters of a plurality of devices are automatically set, the devices are automatically controlled so that the plurality of control parameters of the devices become the automatically set target values, and the set target values ​​can be changed by an operator through manual setting, acquiring information on a manual setting timing, which is a timing at which the manual setting was performed during a predetermined period in the past, for each of the control parameters related to a manually set target value; calculating a manual control time, which is a time required for the manual setting within the predetermined period, for each of the control parameters related to a target value that is manually set, based on the manual setting timing; generating manual control information indicating the manual control time for each of the control parameters related to a manually set target value; The computer executes the program.

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